Applications of Elastography in Ablation Therapies: An Animal Model In Vivo Study.

Journal of Laparoendoscopic & Advanced Surgical Techniques. Part a
Mariano E GiménezJacques Marescaux

Abstract

Background: Ablation therapies are one of the main local treatments for solid organ tumors. After applying any ablation therapy, few days should be waited to perform an imaging study and analyze the result. In this work, we analyzed the correlation between elastography monitoring after procedure and the result of ablation. The objective of this study is to determine tissue changes in vivo in short term after the application of ablation systems using different diagnostic imaging methods. Materials and Methods: Descriptive study in an in vivo swine model. Different types of ablation therapies (radiofrequency ablation, microwave ablation [MWA], and LASER ablation [LA]) were applied in the liver and kidneys. We compared their results by medical image monitoring (ultrasound, computed tomography, elastography) and macroscopic analysis. Results: All the animals survived the procedures. No major intraoperative complications were reported. We determined the characteristics of each procedure. MWA session was faster than the other types of ablation therapies. Regarding ablation area diameters, the largest was achieved with MWA and the smallest with LA. Macroscopically, we observed a central ablation zone, a peripheral ablation zone, and s...Continue Reading

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Citations

May 28, 2021·Journal of Laparoendoscopic & Advanced Surgical Techniques. Part a·Mariano Palermo, Mariano Gimenez

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